diff options
Diffstat (limited to 'include/acpi/platform/acgcc.h')
-rw-r--r-- | include/acpi/platform/acgcc.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h new file mode 100644 index 000000000..ac80111f5 --- /dev/null +++ b/include/acpi/platform/acgcc.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/****************************************************************************** + * + * Name: acgcc.h - GCC specific defines, etc. + * + * Copyright (C) 2000 - 2022, Intel Corp. + * + *****************************************************************************/ + +#ifndef __ACGCC_H__ +#define __ACGCC_H__ + +#ifndef va_arg +#ifdef __KERNEL__ +#include <linux/stdarg.h> +#else +#include <stdarg.h> +#endif /* __KERNEL__ */ +#endif /* ! va_arg */ + +#define ACPI_INLINE __inline__ + +/* Function name is used for debug output. Non-ANSI, compiler-dependent */ + +#define ACPI_GET_FUNCTION_NAME __func__ + +/* + * This macro is used to tag functions as "printf-like" because + * some compilers (like GCC) can catch printf format string problems. + */ +#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1))) + +/* + * Some compilers complain about unused variables. Sometimes we don't want to + * use all the variables (for example, _acpi_module_name). This allows us + * to tell the compiler warning in a per-variable manner that a variable + * is unused. + */ +#define ACPI_UNUSED_VAR __attribute__ ((unused)) + +/* GCC supports __VA_ARGS__ in macros */ + +#define COMPILER_VA_MACRO 1 + +/* GCC supports native multiply/shift on 32-bit platforms */ + +#define ACPI_USE_NATIVE_MATH64 + +/* GCC did not support __has_attribute until 5.1. */ + +#ifndef __has_attribute +#define __has_attribute(x) 0 +#endif + +/* + * Explicitly mark intentional explicit fallthrough to silence + * -Wimplicit-fallthrough in GCC 7.1+. + */ + +#if __has_attribute(__fallthrough__) +#define ACPI_FALLTHROUGH __attribute__((__fallthrough__)) +#endif + +#endif /* __ACGCC_H__ */ |